i said, where did that come from? >> reporter: officer melendez was known as robo cop. he was fired by the detroit police department for falsifying police reports and charged for planting evidence in 2003 in a federal court case. a jury found him not guilty. this attorney says he's friends with officer melendez and supports him. >> he's a good guy, a man's man. i can't say enough good things about him. you know, i don't know the circumstances that he's currently facing, but i would be surprised if he did something that was inappropriate. >> reporter: in a one on one interview, dent tells me he doesn't do drugs, doesn't sell drugs. a test for drugs following the stop came up negative. dent has no criminal record. >> they treated me like i killed 100 people, okay? and that's when i now then, this is some type of coverup, okay? the kind of coverup for what